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Bullets

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Bullets

Postby lilshootergirl » 01 31, 2018 •  [Post 1]

Ok here's the questions? I reload for my 308. Remington 660 1x10 twist, which I hunt elk & deer. I've been told to switch to a nozler 165 grain bt with pulmer tip. I've been using Sierra game king 180 grain soft tip, boat tail. I'm not happy with the seirras tip they get dented easy when ejecting. Which one will stay flater and longer?
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Re: Bullets

Postby baddaddy » 01 31, 2018 •  [Post 2]

Look at the Hornady ELD-X for a good polymer tip. They make one in 178 grain. If you want something lighter then look at the 168 grain Barnes TTSX.
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Re: Bullets

Postby Elkhntr08 » 01 31, 2018 •  [Post 3]

Swift Scirocco. Load the 180 in a 30-06 and 300 Saum.
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Re: Bullets

Postby Swede » 01 31, 2018 •  [Post 4]

Probably your reloading handbook has that information available. What I see is that the 165 gr bullet with a muzzle velocity of 2,700 Ft/sec and a ballistic coefficient of .490-.499 sighted in at 200 yards will be 24.9 inches low at 500 yards. A 180 grain bullet with a 2,600 Ft/sec muzzle velocity and a ballistic coefficient of .500 will drop 26.8 inches at 500 yards if the gun is sighted in for 200 yards.
What I have noticed is that no bullets when shot through a chronograph travel at the speed stated in the reloading manuals. The difference is significant.
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Re: Bullets

Postby wawhitey » 01 31, 2018 •  [Post 5]

180 grain seems a bit heavy for a 10 twist maybe. I shoot 165 grain out of my 10 twist .308s with good results, and i go with 150 grain bullets out of my 12 twist .308s.
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Re: Bullets

Postby Elkduds » 02 01, 2018 •  [Post 6]

Your rifle will likely prefer one brand/construction/weight of bullet over others, in terms of accuracy. One puzzle of reloading is figuring out which is best by trying different ones. Bonded and the old standard partition bullets hold together better when penetrating elk, than more frangible bullets. As do monos. Good luck.
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Re: Bullets

Postby saddlesore » 02 01, 2018 •  [Post 7]

It's been proven many times that deformation on the lead bullet tip has no effect on accuracy. Up to a point,heavier bullets will deliver more down range energy and will l have less drain on velocity. The 180 gr Sierra Gameking is great in a .308 and will stabilize in a 1:10 twist. The165 gr bullet ( if it is tough enough) would be a better choice all around.However, standard Cup an Core bullets might not hold together at close range(50-75 yards or so) to give the required penetration on elk. I'd advise a Nosler Partition or such. You won't see much difference in trajectory between the150 and 165 but might very well have poorer performance with the150 on .

JMHO,but I can't see any valid argument with having a bullet drop 10 inches at 300 yards vs a bullet that drops 1 2inches at 300yards.One still has to allow for that trajectory when shooting.

If you reload checkout Shooters Pro Shop for discontinued, blemish or seconds of Nosler bullets.None of them effect accuracy and they are usually 1/2 pr ice or less. If you don't find what you want, keeping looking,it changes all the time
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Re: Bullets

Postby DBLGBL » 02 02, 2018 •  [Post 8]

Nosler Accubonds maybe? Are the the sierras being damaged when they are ejected or by recoil in the magazine? Does the 660 have a floor plate or is it blind box magazine?

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Re: Bullets

Postby VT Sasquatch » 02 02, 2018 •  [Post 9]

I agree on the Accubonds. I have shot quite a few deer with Nosler Ballistic tips in 150 and 165 grain out of a 308 and 30-06. They work well for deer but I wouldn't consider using them on an elk. Granted, I have never shot an elk but the ballistic tips expand rapidly an with low weight retention. I have shot several deer broadside that the ballistic tips did not exit. Accubonds and Barnes TTSX would be better choices in my opinion.

As far as flat trajectory, I doubt you would see much difference within the cartridge's normal useful range - probably about 400 yards on elk will keep it over 1500 ft-lbs. Initially, a 150 will fly slightly flatter but beyond 400 yard the 180 will be slightly flatter due to better retained speed. These are general statements assuming similarly shaped bullets. A 165 splits the difference. I now shoot 165 grain Accubonds in my bolt-action 308 for deer but would use them for elk too if I had the opportunity. I shoot 130 grain TTSX out of my lever-action woods rifle (BLR Takedown in 308 Win). I have had great results on deer with the 165 AccuBond. I have not killed a buck yet with the 130 grain TTSX but have had decent results with the bullet in other loads.
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Re: Bullets

Postby lilshootergirl » 02 24, 2018 •  [Post 10]

Sorry it took So long to reply!! Thank you for all your help
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Re: Bullets

Postby Roosiebull » 02 24, 2018 •  [Post 11]

Elkduds wrote:Your rifle will likely prefer one brand/construction/weight of bullet over others, in terms of accuracy. One puzzle of reloading is figuring out which is best by trying different ones. Bonded and the old standard partition bullets hold together better when penetrating elk, than more frangible bullets. As do monos. Good luck.

agree, I would try some ttsx's and partitions, and go with the best shooting. I would not personally be interested in any soft bullet for elk out of a 308.

wawhitey also made very good points on twist rate
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Re: Bullets

Postby Old school » 03 03, 2018 •  [Post 12]

My son shoots a .308 and what we got for an elk round is the Barnes TTSX-BT in 168gr. Each gun likes something different, but as far as down range energy and bullet stabilization, the Barnes is hard to beat in my opinion.

I used to shoot the 180 gr Accubond out of my Howa .300 Win Mag, but switched over to the Barnes as well.

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